00502nam a2200145Ia 4500008004100000040001700041082002400058100002600082245007500108260003200183300001000215650007700225700002700302700002700329190327s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta384.03bR161B  aRajiv, Rajendra Kumar 0aBal gyan-vigyan encyclopaediabsanchar praivahancRajendra Kumar Rajiv  aNew DelhibPustakayanc1992  a160p.  aTransportation; Encyclopaedias and dictionaries; Aeronautics, Commercial  aAvasthi, Rajendra (Ed)  aPrabhakar, Vishnu (Ed)